204986071 has 2 divisors, whose sum is σ = 204986072. Its totient is φ = 204986070.

The previous prime is 204986063. The next prime is 204986077. The reversal of 204986071 is 170689402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204986071 - 2³ = 204986063 is a prime.

It is a super-3 number, since 3×204986071³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204986071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204986077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102493035 + 102493036.

It is an arithmetic number, because the mean of its divisors is an integer number (102493036).

Almost surely, 2^204986071 is an apocalyptic number.

204986071 is a deficient number, since it is larger than the sum of its proper divisors (1).

204986071 is an equidigital number, since it uses as much as digits as its factorization.

204986071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 204986071 is about 14317.3346332339. The cubic root of 204986071 is about 589.6234991389.

It can be divided in two parts, 20498 and 6071, that added together give a square (26569 = 163²).

The spelling of 204986071 in words is "two hundred four million, nine hundred eighty-six thousand, seventy-one".